palin 中文意思是什麼
palin
解釋
把帕林-
Aircraft bolts and nuts - nuts, hexagonal, palin, reduced height, normal across flats, with locking holes, iso m or iso mj threads, 4h5h or 5h tolerance class according to diameter
航空用螺栓和螺母. iso m或iso mj螺紋直徑4h5h或5h級公差帶鎖緊孔減少高度標稱十字槽平六角頭普通螺母
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